Home / 64,123.76-96,187.26-30,381.86

Finding the Fourth Proportional to 64,123.76, 96,187.26 and 30,381.86

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Solution

The fourth proportional to 64,123.76, 96,187.26 and 30,381.86 is: 45,573.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,123.76 : 96,187.26 = 30,381.86 : x
  2. Step 2: Convert to fraction form
    64,123.76/96,187.26 = 30,381.86/x
  3. Step 3: Cross multiply
    64,123.76x = 96,187.26 × 30,381.86
  4. Step 4: Simplify right side
    64,123.76x = 2,922,347,867.10
  5. Step 5: Solve for x
    x = 2,922,347,867.10/64,123.76
  6. Step 6: Final answer
    x = 45,573.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.